Patents by Inventor Atsushi Okamoto

Atsushi Okamoto has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11495248
    Abstract: A signal processing device includes a receiver that receives a plurality of playback signal sequence obtained by digitizing a plurality of reading results by a plurality of A/D converter, the plurality of reading results being obtained by reading data by a plurality of reading elements from a magnetic tape and a plurality of equalizers that perform waveform equalization of the plurality of playback signal sequence. The plurality of equalizers perform the waveform equalization by using a plurality of non-linear filters that have been learned to reduce distortion that occurs non-linearly in the plurality of playback signal sequence according to a condition under an environment in which the data is read from the magnetic tape. The plurality of non-linear filters being optimized to a suitable characteristic for the plurality of reading elements by optimization based on the plurality of reading results.
    Type: Grant
    Filed: June 22, 2021
    Date of Patent: November 8, 2022
    Assignee: FUJIFILM Corporation
    Inventors: Atsushi Musha, Yoshihiro Okamoto, Yasuaki Nakamura, Madoka Nishikawa
  • Patent number: 11485931
    Abstract: A fragrance composition comprising a compound represented by Formula (1) as an active ingredient: wherein, in Formula (1), R1 represents a linear, branched, or cyclic alkyl group having 1 to 6 carbon atoms.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: November 1, 2022
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Atsushi Okamoto, Eriko Kushida, Umi Yokobori
  • Patent number: 11486791
    Abstract: The present invention is to provide a backscattered light amplification device, an optical pulse test apparatus, a backscattered light amplification method, and an optical pulse test method for amplifying a desired propagation mode of Rayleigh backscattered light with a desired gain by stimulated Raman scattering in a fiber under test having the plurality of propagation modes. The backscattered light amplification device according to the present invention is configured to control individually power, incident timing, and pulse width of a pump pulse for each propagation mode when the pump pulse is incident in a plurality of propagation modes after the probe pulse is input to the fiber under test in any propagation mode.
    Type: Grant
    Filed: September 18, 2019
    Date of Patent: November 1, 2022
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Keiji Okamoto, Atsushi Nakamura, Hiroyuki Oshida
  • Patent number: 11485932
    Abstract: A fragrance composition comprising a compound represented by Formula (1) as an active ingredient: wherein, in Formula (1), R1 represents a linear, branched, or cyclic alkyl group having 1 to 5 carbon atoms.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: November 1, 2022
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Atsushi Okamoto, Eriko Kushida, Umi Yokobori, Kyoko Kimura
  • Patent number: 11479738
    Abstract: A fragrance composition comprising a compound represented by Formula (1): wherein, in Formula (1), R represents a linear or branched alkyl group having from 2 to 3 carbon atoms or a cyclic alkyl group having from 3 to 6 carbon atoms.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: October 25, 2022
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Atsushi Okamoto, Umi Yokobori, Eriko Kushida, Masaki Takemoto
  • Patent number: 11467060
    Abstract: An optical pulse test apparatus according to the present disclosure includes a light generation unit configured to generate an optical pulse for generating backscattered light beams in an optical fiber under test and generate first light having an optical frequency for amplifying backscattered light in an LP11 mode out of the backscattered light beams in two LP modes through stimulated Brillouin scattering, and second light having an optical frequency for attenuating backscattered light in an LP01 mode out of the backscattered light beams in the two LP modes through stimulated Brillouin scattering, a mode demultiplexing unit configured to input the optical pulse, the first light, and the second light generated by the light generation unit into the optical fiber under test in the LP01 mode and separate, out of the backscattered light beams generated by the optical pulse, the backscattered light in the LP11 mode, a local oscillation light generation unit configured to generate local oscillation light by which t
    Type: Grant
    Filed: June 6, 2019
    Date of Patent: October 11, 2022
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Atsushi Nakamura, Keiji Okamoto, Hiroyuki Oshida
  • Patent number: 11453797
    Abstract: An ink set containing an inkjet ink and a treatment liquid, wherein the inkjet ink contains a pigment, a water-soluble organic solvent, a surfactant and water, the water-soluble organic solvent contains an alkyl diol (A) of 2 to 8 carbon atoms, the weighted average boiling point of the water-soluble organic solvent at one atmosphere is from 175 to 240° C., the surfactant contains an acetylenediol-based surfactant, the treatment liquid contains a coagulant, calcium nitrate is included as the coagulant in an amount of 6.8 to 20.8% by mass relative to the total mass of the treatment liquid, and the pH of the treatment liquid is from 2 to 11.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: September 27, 2022
    Assignees: TOYO INK SC HOLDINGS CO., LTD., TOYOCOLOR CO., LTD
    Inventors: Mayuko Okamoto, Kazuhiro Jonai, Atsushi Yoda, Norio Suzuki
  • Publication number: 20220299540
    Abstract: According to one embodiment, an automatic analyzing apparatus includes a probe and a liquid level detector. The liquid level detector is electrically connected to the probe and detects contact between the probe and a liquid surface, wherein the liquid level detector comprises an adjuster configured to adjust electrostatic capacitance of one or more capacitors for circuitry for use in liquid level detection.
    Type: Application
    Filed: March 14, 2022
    Publication date: September 22, 2022
    Applicant: Canon Medical Systems Corporation
    Inventors: Mitsuo OKAMOTO, Naoto SATO, Reiko MARUYAMA, Masaaki SAITOU, Atsushi HOSOOKA, Tamaki HONDA
  • Publication number: 20220300189
    Abstract: According to one embodiment, a memory system includes a non-volatile memory, and a controller configured to control the non-volatile memory. The controller is configured to write data to the non-volatile memory, read the written data from the non-volatile memory after writing of the data is completed, generate parity data corresponding to the read data, and write the generated party data to a memory for parity storage.
    Type: Application
    Filed: June 15, 2021
    Publication date: September 22, 2022
    Inventors: Atsushi Okamoto, Tetsuya Yasuda, Akinori Nagaoka
  • Publication number: 20220293634
    Abstract: A semiconductor device includes a first chip including a substrate and a first wiring layer formed on a first surface of the substrate; and a second wiring layer formed on a second surface of the substrate opposite to the first surface of the substrate. The second wiring layer includes a first power line to which a first power potential is applied; a second power line to which a second power potential is applied; a third power line to which a third power potential is applied; a first switch connected between the first power line and the second power line; and a second switch provided on one of the first power line or the third power line. The first chip includes a first circuit provided between the first power line and the third power line.
    Type: Application
    Filed: May 31, 2022
    Publication date: September 15, 2022
    Inventors: Atsushi OKAMOTO, Hirotaka Takeno, Wenzhen Wang
  • Patent number: 11441098
    Abstract: A fragrance composition comprising a compound represented by Formula (1): wherein, in Formula (1), R represents a linear, branched, or cyclic alkyl group having 2 to 6 carbon atoms.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: September 13, 2022
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Atsushi Okamoto, Eriko Kushida, Umi Yokobori, Kyoko Kimura
  • Patent number: 11440862
    Abstract: There are provided a solvent composition which is excellent in solubility of various organic substances and excellent in detergency and a drying property, and has no adverse effect on a global environment and is excellent in stability; a cleaning method using the solvent composition; a method of forming a coating film; a heat transfer fluid including the solvent composition; and a heat cycle system using the heat transfer fluid. A solvent composition including 1-chloro-2,3,3-trifluoro-1-propene and 1-chloro-3,3-difluoro-1-propyne, a cleaning method of bringing the solvent composition and an article into contact with each other, a method of dissolving a nonvolatile organic compound in the solvent composition to produce a coating film-forming composition and evaporating the solvent composition after applying the coating film-forming composition on an article to be coated, to form a coating film, a heat transfer fluid including the solvent composition, and a heat cycle system using the heat transfer fluid.
    Type: Grant
    Filed: September 14, 2020
    Date of Patent: September 13, 2022
    Assignee: AGC Inc.
    Inventors: Masahiko Nakamura, Hiroaki Mitsuoka, Mari Ichinokawa, Atsushi Fujimori, Hidekazu Okamoto
  • Publication number: 20220281578
    Abstract: A marine vessel maneuvering system includes an engine and a controller configured or programmed to control a marine vessel. The controller is configured or programmed to set a control of the engine for each destination based on at least one of information indicating the destination acquired incident to a setting operation of the destination by a distributor or information indicating the destination acquired from a ground-based or sea-based base station at the destination.
    Type: Application
    Filed: February 24, 2022
    Publication date: September 8, 2022
    Inventors: Atsushi MORIE, Yukitaka OKAMOTO, Hirofumi AMMA
  • Publication number: 20220274909
    Abstract: A method for producing an ?-acyloxycarboxylic acid ester of Formula (1) is described. The method involves reacting an ?-hydroxycarboxylic acid ester compound with an acylating agent in the presence of a catalyst comprising an iron halide compound. R1 represents a hydrogen atom, a methyl group, an ethyl group, an n-propyl group, an isopropyl group, or a tert-butyl group, R2 and R3 each independently represent a methyl group or an ethyl group, and R4 represents a linear, branched, or cyclic alkyl group having from 1 to 6 carbon atoms.
    Type: Application
    Filed: July 9, 2020
    Publication date: September 1, 2022
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Atsushi OKAMOTO, Kyoko HIRAOKA
  • Patent number: 11427521
    Abstract: A cleaning method may include: bringing an article to be cleaned into contact with a liquid-phase solvent composition including 1-chloro-2,3,3-trifluoro-1-propene and 1-chloro-2,2,3,3-tetrafluoropropane; and exposing the article to be cleaned to steam generated by evaporating the liquid-phase solvent composition. In the liquid-phase composition, a proportion of a content of 1-chloro-2,2,3,3-tetrafluoropropane to a total of a content of 1-chloro-2,3,3-trifluoro-1-propene and a content of 1-chloro-2,2,3,3-tetrafluoropropane may be 0.0001 to 1 mass %.
    Type: Grant
    Filed: March 4, 2021
    Date of Patent: August 30, 2022
    Assignee: AGC Inc.
    Inventors: Masahiko Nakamura, Hiroaki Mitsuoka, Mari Ichinokawa, Atsushi Fujimori, Hidekazu Okamoto
  • Publication number: 20220260280
    Abstract: A hot water supply apparatus includes a heat exchanger that heats water for hot water supply, a pressure controller provided in a subsequent stage of the heat exchanger, and a trap that promotes deposition of scale. The pressure controller pressurizes the water for hot water supply. The trap is provided in a subsequent stage of the pressure controller.
    Type: Application
    Filed: May 3, 2022
    Publication date: August 18, 2022
    Inventors: Masanori UKIBUNE, Atsushi OKAMOTO, Hideho SAKAGUCHI, Yasuhiro KOUNO, Qi FANG
  • Publication number: 20220244137
    Abstract: The purpose of this invention is to provide an optical pulse testing method and optical pulse testing device capable of measuring the loss at an end farther than an axially misaligned connection point at which inter-mode crosstalk occurs independently from the crosstalk value at the point. In this optical pulse testing method, a matrix (loss and crosstalk) representing the mode coupling at a near-end connection point is calculated, and an OTDR waveform having the effects of crosstalk eliminated therefrom is obtained by numerical processing using the calculated matrix representing the mode coupling.
    Type: Application
    Filed: June 11, 2019
    Publication date: August 4, 2022
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Atsushi NAKAMURA, Keiji OKAMOTO, Hiroyuki OSHIDA
  • Patent number: 11401483
    Abstract: A compound, represented by Formula (1): where X represents an isopropyl group or a t-butyl group, and R represents a linear, branched, or cyclic alkyl group having 1 to 5 carbon atoms; provided that one where X is an isopropyl group, and R is a t-butyl group is excluded.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: August 2, 2022
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Atsushi Okamoto, Eriko Kushida, Umi Yokobori, Kyoko Kimura
  • Patent number: 11403041
    Abstract: A memory system according to an embodiment includes a nonvolatile memory and a memory controller. The nonvolatile memory includes a first storage region and a second storage region. The memory controller comprises a third storage region storing a master table and a fourth storage region storing a change history of the master table. The memory controller is configured to: order the nonvolatile memory to write the master table stored in the third storage region in the first storage region when receiving a power-off command from outside; order the nonvolatile memory to write the change history stored in the fourth storage region in the second storage region.
    Type: Grant
    Filed: March 15, 2021
    Date of Patent: August 2, 2022
    Assignee: Kioxia Corporation
    Inventors: Atsushi Okamoto, Hiroyuki Yamaguchi, Ryoichi Kato, Hiroki Matsudaira
  • Publication number: 20220235945
    Abstract: A controller performs a first operation in which a heat source device directly or indirectly heats water in a first channel of a heat exchanger and a second operation in which the heat source device directly or indirectly cools the water in the first channel of the heat exchanger after the first operation ends.
    Type: Application
    Filed: April 12, 2022
    Publication date: July 28, 2022
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Hideho SAKAGUCHI, Atsushi OKAMOTO, Masanori UKIBUNE, Yasuhiro KOUNO, Yurika GOTOU, Qi FANG, Tim COESSENS